171238730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42491}}^1$

素因数の和:42542

約数の個数: 32

約数和(自身を含む): 342655488

約数和(自身を除く): 171416758

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 42491, 84982, 212455, 424910, 552383, 1104766, 1317221, 2634442, 2761915, 5523830, 6586105, 13172210, 17123873, 34247746, 85619365, 171238730]

約数ペア:

[(1, 171238730), (2, 85619365), (5, 34247746), (10, 17123873), (13, 13172210), (26, 6586105), (31, 5523830), (62, 2761915), (65, 2634442), (130, 1317221), (155, 1104766), (310, 552383), (403, 424910), (806, 212455), (2015, 84982), (4030, 42491)]